Small arthropod separator

The utility model provides a small arthropod separator which comprises a barrel body which can be opened. A light source and/or a heat source are/is arranged on the upper portion of the barrel body, and a sample sifter is arranged in the middle of the barrel body. The working process is that a sample rotates on the sample sifter in the barrel body, small animals can be collected from the sample, the light source and/or the heat source are/is turned on, insects, mites or other small arthropods which hide in the sample run in the direction departing from the light source and/or the heat source due to impelling by the heat source and/or strong light, the insects, the mites or the small arthropods fall in a sample containing vessel on the lower portion of the barrel body through the sample sifter, and a worker can directly and conveniently collect the insects, the mites or the small arthropods from the bottom of the barrel body. The small arthropod separator is simple in operation and not prone to damaging animal